MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics indicate the document functions as a link farm, with many URLs pointing to external sites, including one hosted on a compromised WordPress upload directory. The presence of multiple external links suggests an attempt to lure users to malicious or compromised websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/kinubenaparokij.pdf In PDF document text
- http://clear-es.net/yamituki-n/uploads/files/6393135045.pdfIn PDF document text
- http://wienbildarchiv.com/upload_files/files/80137231156.pdfIn PDF document text
- https://www.qualityitalia.it/ckfinder/userfiles/files/91469988496.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c315f059623---25125470037.pdfIn PDF document text
- https://pointvirgule.ca/upload/editor/file/33982648303.pdfIn PDF document text
- http://www.chatanakonci.cz/userfiles/file/92620649974.pdfIn PDF document text
- http://murasakijr.com/uploads/files/63150519510.pdfIn PDF document text
- http://qualityfirstservices.pro/testingsites/advantage_aviation/assets/media/file/jugemevejiluruzuwoxapokut.pdfIn PDF document text
- http://airsoft1.ro/files/file/livutubimepifunovojari.pdfIn PDF document text
- https://strechybenesov.cz/content/15308526671.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a07dc3465b---25415172049.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609ccae0c3c5d---74684912153.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/8bff70ddae703a39a5d9d0aacb51338e/raxoxozokosotepuva.pdfIn PDF document text
- http://viprealestatebrokers.com/userfiles/files/91788172391.pdfIn PDF document text
- http://unsersohn.ch/images/file/dumidaxujikutel.pdfIn PDF document text
- https://anitt.in/ckfinder/userfiles/files/47689760671.pdfIn PDF document text
- https://egokituz.org/files/galeria/files/56721588715.pdfIn PDF document text
- http://popmetre.com/news/files/kaxogujitelisuvefenozox.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ccf3b0f5a---xapabulejifegemigironavo.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/zatulasagewo.pdfIn PDF document text
- http://panda-es.tokyo/yamituki-n/uploads/files/53552821040.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=felices+a%C3%B1os+20+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC16 | 10736 bytes |
SHA-256: f60b2e2e869df0cd6f90bb50c47ec81772c3e0b3c9942608bb2d7c535371bb4e |
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font_01_sfnt_off0000f4dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010cef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CEF | 19796 bytes |
SHA-256: f8e741300e7d27b3b28cef8e5ebcac4e2bd1619215b141164803ef969f9c93d0 |
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